According to the police, four persons yesterday barged into the house of Kashmir Singh and attacked his family with swords for disclosing information about their racket.
Singh died in the attack and three others were injured who have been shifted to a hospital, police said.
A case against the members of the liquor mafia Sardar Ajmer Singh, Sher Singh, Jagraj and Ranu has been registered, SP Santosh Kumar Mishra said.
The body of the deceased has been sent for postmortem.